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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Digestive System Surgical Procedures Clear all
Enrolling by invitation No phase listed Observational

Endoscopic Metabolic and Bariatric Therapies

NCT05725967
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity Associated Disorder, Bariatric Surgery Candidate, Fistula, Gastric, Roux-en-y Anastomosis Site, Ulcer, Gastric, Abdominal Pain, Abdominal Obesity, Complication of Surgical Procedure, Complication of Treatment, Complication,Postoperative, Weight Gain, Weight Loss, Leak, Anastomotic, Delayed Gastric Emptying Following Procedure
Interventions
Primary Obesity Endoscopic Procedures, Endoscopic Revision of Bariatric Surgical Procedures, Bariatric Surgery Procedures, Endoscopic Sleeve Gastroplasty, Trans-oral Outlet Reduction, Intragastric Balloon, Primary obesity surgery endoluminal, Restorative obesity surgery endoluminal, Argon Plasma Coagulation, Gastroplasty with Endoscopic Myotomy, Bariatric Endoscopic Antral Myotomy, Pylorus Sparing Antral Myotomy, Aspiration Therapy
Procedure · Device
Lead sponsor
Christopher C. Thompson, MD, MSc
Other
Eligibility
18 Years to 80 Years
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 23, 2026, 10:00 AM EDT
Completed No phase listed Observational

Frequency of Methods of Local Invasion of Pancreatic Adenocarcinoma

NCT01129167
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
1,052 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 16, 2023 · Synced Sep 23, 2026, 10:00 AM EDT
Terminated Not applicable Interventional

Registry Study of the NDO Surgical Plicator for the Treatment of GERD

NCT00597792
View directory record Official record
Conditions
GERD
Interventions
NDO Full-thickness Plicator
Device
Lead sponsor
NDO Surgical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
7
States / cities
Macon, Georgia • Evanston, Illinois • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated May 29, 2008 · Synced Sep 23, 2026, 10:00 AM EDT
Active, not recruiting Phase 2 Interventional

ICARuS Post-operative Intraperitoneal Chemotherapy (EPIC) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) After Optimal Cytoreductive Surgery (CRS) for Neoplasms of the Appendix, Colon or Rectum With Isolated Peritoneal Metastasis

NCT01815359
View directory record Official record
Conditions
Appendix Cancer, Colorectal Cancer
Interventions
Cytoreductive Surgery, HIPEC with Mitomycin-C, EPIC with FUDR and Leucovorin
Procedure · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
9
States / cities
Miami, Florida • St Louis, Missouri • Basking Ridge, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

Randomized EsophyX Versus Sham / Placebo Controlled TIF Trial: The RESPECT Study

NCT01136980
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Hiatal Hernia
Interventions
TIF Transoral Fundoplication, Sham placebo procedure
Device · Other
Lead sponsor
EndoGastric Solutions
Industry
Eligibility
18 Years to 80 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
9
States / cities
Los Angeles, California • Englewood, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 23, 2026, 10:00 AM EDT
Completed No phase listed Observational

Studying Fibroblast Activity in Patients With Localized Pancreatic Cancer Undergoing Surgery

NCT00900016
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
protein expression analysis, western blotting, immunohistochemistry staining method, immunologic technique, laboratory biomarker analysis
Genetic · Other
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
Not listed
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 23, 2026, 10:00 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Assessing Effectiveness of Laparoscopic Colorectal Surgical Skills

NCT01119027
View directory record Official record
Conditions
Colonic Diseases
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
Not listed
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 14, 2014 · Synced Sep 23, 2026, 10:00 AM EDT
Not listed No phase listed Observational

Necrotizing Enterocolitis (NEC) Surgical Database

NCT00120159
View directory record Official record
Conditions
Necrotizing Enterocolitis
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Day to 2 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2008 · Synced Sep 23, 2026, 10:00 AM EDT
Not listed Not applicable Interventional

Ligation of Intersphincteric Fistula Tract (LIFT) Procedure Versus Use of an Anal Fistula Plug for Anal Fistula Repair

NCT00830661
View directory record Official record
Conditions
Anal Fistula
Interventions
Ligation of intersphincteric fistula track procedure, anal fistula plug
Procedure
Lead sponsor
Colon and Rectal Surgery Associates, Ltd.
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
3
States / cities
Boston, Massachusetts • Minneapolis, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 28, 2009 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional

Controlled Trial of WLS vs. CLI for Severely Obese Adolescents With NASH

NCT02412540
View directory record Official record
Conditions
Obesity, Nonalcoholic Steatohepatitis, Nonalcoholic Fatty Liver Disease
Interventions
Comprehensive Lifestyle Intervention
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 19 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 23, 2026, 10:00 AM EDT
Active, not recruiting Not applicable Interventional Results available

da Vinci SP® Investigational Device Exemption Study in Colorectal Procedures

NCT04403022
View directory record Official record
Conditions
Colorectal Cancer, Benign or Malignant Rectal or Colon Tumors
Interventions
Robotic Assisted Surgery
Device
Lead sponsor
Intuitive Surgical
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
7
States / cities
Orlando, Florida • Detroit, Michigan • Rochester, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Botulinum Toxin Type A in Preventing Complications After Surgery in Patients With Esophageal Cancer

NCT02965976
View directory record Official record
Conditions
Esophageal Carcinoma
Interventions
Botulinum Toxin Type A, Esophagectomy, Quality-of-Life Assessment
Biological · Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Sep 23, 2026, 10:00 AM EDT
Completed No phase listed Observational

General Surgical Outcomes Quality Improvement Database (UH-SOCRATES)

NCT00622557
View directory record Official record
Conditions
Colon Cancer, Diverticulitis, Colorectal Polyps, Crohn's Disease, Ulcerative Colitis, Rectal Cancer
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
14 Years to 95 Years
Enrollment
200,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional

Study to Look at Benefit of Surgical Drainage Before Beginning Medical Therapy for Crohns Perianal Fistulas

NCT01145365
View directory record Official record
Conditions
Crohns Disease, Fistula, Abscess
Interventions
Exam under anesthesia (EUA)
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
3
States / cities
Baltimore, Maryland • Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 23, 2026, 10:00 AM EDT
Terminated Phase 2 Interventional Results available

Preoperative Chemotherapy (Gemcitabine and Erlotinib) With or Without Radiation Therapy

NCT00766636
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Gemcitabine, Radiation Therapy, Erlotinib, Surgery
Drug · Radiation · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2016 · Synced Sep 23, 2026, 10:00 AM EDT
Not listed No phase listed Observational

Non-invasive Methods and Surgical Risk Stratification in Cirrhotics Undergoing Elective Extrahepatic Surgery

NCT04615091
View directory record Official record
Conditions
Advanced Chronic Liver Disease, Surgery--Complications
Interventions
Not listed
Lead sponsor
Azienda Ospedaliera Universitaria Integrata Verona
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Phase 1 Interventional

Pilot Study of Epoetin Alfa for Patients Having Abdominal or Pelvic Surgery for Cancer

NCT00294203
View directory record Official record
Conditions
Anemia
Interventions
Epoetin Alfa group, Placebo group
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Sep 23, 2026, 10:00 AM EDT
Withdrawn No phase listed Observational

Prospective Collection of Surplus Surgical Tumor Tissues and Pre-surgical Blood Samples

NCT01792882
View directory record Official record
Conditions
Breast Cancer, Colorectal Cancer, Lung Cancer, Prostate Cancer, Hematologic Cancer
Interventions
Not listed
Lead sponsor
Global BioClinical
Industry
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

Laparoscopic Versus Open Appendectomy? Let the Patient Decide

NCT01738750
View directory record Official record
Conditions
Appendicitis
Interventions
Cost Information Included
Other
Lead sponsor
University of Utah
Other
Eligibility
Up to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Sep 23, 2026, 10:00 AM EDT
Recruiting Not applicable Interventional

Optimal Perioperative Pain Control in Minimally Invasive Abdominal Cancer Surgery

NCT06731998
View directory record Official record
Conditions
Oncologic Surgery, Cancer, Cancer Surgery, Hepatic Cancer, Gastric (Cardia, Body) Cancer, Biliary Tract Cancer, Pancreatic Cancer Resectable, Gynecologic Cancers, Gastrointestinal Cancers, Colorectal Cancer, Minimally Invasive Surgical Procedures
Interventions
Local Anesthesia, Laparoscopic Transversus Abdominis Plane block
Procedure
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 89 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 23, 2026, 10:00 AM EDT
Active, not recruiting No phase listed Observational

Frailty in Patients With Gastrointestinal Cancer Who Are Undergoing Major Surgery

NCT05694338
View directory record Official record
Conditions
Gastrointestinal Cancer
Interventions
Frailty survey
Other
Lead sponsor
The Guthrie Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
East Corning, New York • Sayre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

Comparison Study of Surgical Staplers for the Treatment of Hemorrhoids

NCT01306877
View directory record Official record
Conditions
Hemorrhoids
Interventions
EEA Hemorrhoid and Prolapse Stapling Set, Endosurgery Proximate PPH03 Stapling Set
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 85 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced Sep 23, 2026, 10:00 AM EDT
Recruiting No phase listed Observational

Evaluation of Quality of Life and Utilities Following Surgical Treatment of Stage I-IV Rectal Cancer

NCT02107105
View directory record Official record
Conditions
Rectal Adenocarcinoma, Stage I Rectal Cancer AJCC v8, Stage II Rectal Cancer AJCC v8, Stage IIA Rectal Cancer AJCC v8, Stage IIB Rectal Cancer AJCC v8, Stage IIC Rectal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8, Stage IIIA Rectal Cancer AJCC v8, Stage IIIB Rectal Cancer AJCC v8, Stage IIIC Rectal Cancer AJCC v8, Stage IV Rectal Cancer AJCC v8, Stage IVA Rectal Cancer AJCC v8, Stage IVB Rectal Cancer AJCC v8, Stage IVC Rectal Cancer AJCC v8
Interventions
Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 23, 2026, 10:00 AM EDT
Completed Not applicable Interventional

Using Data to Achieve Surgical Health Equity in the Community

NCT05745077
View directory record Official record
Conditions
Gallbladder Disease
Interventions
Telemedicine Consultation, Traditional Care
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Sep 23, 2026, 10:00 AM EDT